If you are experiencing the 0x800A03EC error code with error message Exception from HRESULT in Microsoft Excel, use these fixes to resolve the issue.

If you see Microsoft Visual Basic, Run-time error, Class not registered in Office Excel, follow these solutions that have helped many fix the issue.

Correcting Microsoft VBA code is easier if you understand what the basic error messages mean.

Use this VBA error-handling routine to make sure no errors disrupt the code.